Dell PowerEdge 2450 User Manual download pdf (Page 78)

8-2 Dell PowerEdge 2450 Systems Installation and Troubleshooting Guide

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Expansion cards are installed on the computer’s riser board (see Figure 8-2). The riser

board plugs into the RISER connector on the system board (see Figure 8-1) and is

considered an extension of the system board.

The riser board contains three full-length 32-bit, 33-megahertz (MHz), Peripheral Com-

ponent Interconnect (PCI) expansion-card connectors. All three expansion card

connectors support both 3.3-volt (V) and 5-V cards. Connector PCI2 supports an

optional Dell OpenManage Remote Server Assistant (DRAC) 2 card.

parallel port connector

(PARALLEL)

primary microprocessor

(PROC_1)

DIMM sockets

(DIMM_A–DIMM_D)

power input connector

(POWER3)

chassis intrusion switch con

nector (INTRUS1)

hardware key connector for

optional RAID controller

(RAID_KEY)

Universal Serial Bus

(USB) connectors (2)

network interface

connector (ENET)

video connector (VGA)

battery connector

(BATTERY)

DIMM socket for optional

RAID controller

(DIMM_RAID)

configuration jumpers

SCSI backplane board interface

cable connector (BACKPLANE)

U160/m SCSI connector

(SCSI1 [Channel A])

PCI riser board

connector (RISER)

U160/m SCSI connector (SCSI2

[Channel B])

interposer board interface

cable connector (I/O CONN)

power input connector

(POWER1)

keyboard and mouse

connectors (KYBD/

MOUSE)

serial port connector (COM1)

secondary microprocessor

(PROC_2)

serial port connector (COM2)

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